Question
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A box contains only three colors of balls- red, green and blue. What is the minimum number of balls that should be picked from the box to ensure that at...
The probability of selecting a rotten apple randomly from a heap of 250 apples is 0.20. What is the number of rotten apples in the heap?
...A bag contains 12 black and 14 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
...- A bag contains x pink balls, (x + 2) blue balls and (x + 7) green balls. If probability of getting a blue ball is 1/9 more than that of getting a pink ball...
There are is chest containing only diamond and emeralds in the ratio 2:5. When 2 of them are picked at random form the chest, the probability that both ...
A is trying to break a bulb by throwing balls at it. If he hits the bulb 4 times in every 11 throws and bulb breaks 3 times out of 7 hits, then find the...
- In how many ways can the letters of the word "CHOCOLATE" be arranged, and what is the probability that all the vowels in these arrangements always appear t...
In a class, there are 16 boys and 24 girls. One of them is called out by an enroll number. What is the probability that the one called is a girl?
Two hats are picked at random, what is the probability that one is blue and one is yellow?
Two dice are thrown simultaneously. Find the probability that sum of the numbers appeared on both the dice is at least 7.
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